The fastest accordion player is Liam O’Connor (Ireland) who played Tico Tico at a speed of 11.67 notes per second on the Rick O’Shea show on 2FM in Dublin, Ireland, on 8 November 2006, as part of Guinness World Records Day.
2FM – Rick O’Shea Show http://www.rte.ie/2fm/rickoshea/
Piece starts 1hr 48 minutes in, runs for 5 minutes approx.
RTE 1 – Six-One News (Main evening news) http://www.rte.ie/news/2006/1109/6news.html
(and if you click on the “Entire Show” link here, http://dynamic.rte.ie/av/2190459.smil, and skip through to 37mins 40, there’s a teaser, which shows me clapping like a muppet!).
RTE Radio 1 – Mooney http://www.rte.ie/radio/mooneygoeswild/archive/index.html
Piece starts about 8 minutes into the programme, runs for over 12 minutes.